Question

Find $a_8$ if $a_n=4+3n$

Short answer

The value of$a_8$is28.

Step-by-step solution

Step 1. Given Information.

Given arithmetic sequence is described by $a_n=4+3n$

Step 2. Calculation.

Plugging the values in the equation:

$\begin{array}{l}{a}_n=4+3n\\ a_8=4+3\left(8\right)\\ a_8=4+24\\ a_8=28\end{array}$

Step 3. Conclusion.

Hence, $a_8=28$.